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Magnitude, numerosity, and development of number: Implications for mathematics disabilities

Published online by Cambridge University Press:  27 July 2017

Nancy C. Jordan
Affiliation:
School of Education, University of Delaware, Newark, DE 19716njordan@udel.eduluke.rinne@g.mail.comhttps://sites.google.com/a/udel.edu/nancy-jordan/
Luke Rinne
Affiliation:
School of Education, University of Delaware, Newark, DE 19716njordan@udel.eduluke.rinne@g.mail.comhttps://sites.google.com/a/udel.edu/nancy-jordan/
Ilyse M. Resnick
Affiliation:
Department of Psychology, Penn State University–Lehigh Valley, Center Valley, PA 18034imr9@psu.edu

Abstract

Leibovich et al. challenge the prevailing view that non-symbolic number sense (e.g., sensing number the same way one might sense color) is innate, that detection of numerosity is distinct from detection of continuous magnitude. In the present commentary, the authors' viewpoint is discussed in light of the integrative theory of numerical development along with implications for understanding mathematics disabilities.

Type
Open Peer Commentary
Copyright
Copyright © Cambridge University Press 2017 

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